The board of directors of SIIC ENVIRONMENT HOLDINGS LTD. announced that due to the re- designation of work, Mr. Yang Jianwei ("Mr. Yang") has tendered his resignation as an executive Director, a member of the Executive Committee, a member of the Risk and Investment Management Committee and directorship of the subsidiaries of the Company, with effect from 2 October 2023. Other DirectorShips Past: Shanghai Industrial Development Co. Ltd. Other DirectorShips Present: Asia Wisdom Investments Limited Global Environment Investment (HK) Limited Global Envirotech Investment Ltd. Gold Orient Investments Limited Gold Wisdom Holdings Ltd. Golden Bell Development Limited Grand Sinochn International Limited Hanyang Investment Holding Company Limited Hong Kong Jinhaide Holdings Limited Hong Kong Nany New Energy (Dazhou) Limited KC & Johnson International Limited Lap Yin International Limited Nanyang Brothers Tobacco Co.

Ltd. Ningbo Hangzhou Bay Bridge Development Co. Ltd. Ranhill Water (Hong Kong) Co. Ltd. Rise Thrive Limited Rise Wealth Investments Ltd. S.I. United Water Holdings (BVI) Limited S.I. United Water Holdings Limited S.I. Yangtze River Delta Ecological Development CO.

Ltd. Shanghai Environmental Holdings (Wuhan) Co. Ltd. Shanghai Fudan Water Engineering Technology Co. Ltd. Shanghai Qingpu Second Wastewater Treatment Plant Co.

Ltd. SIIC Environment Tech (Hong Kong) Limited SIIC Management (Shanghai) Limited SIIC Yangtze Delta Environmental Resources (Hong Kong) Limited Yun Shui Technology Co. Ltd. Thrive Bloom Limited Thrive Far Limited Thrive Key Limited Zhuhai Youtong Technology Co. Ltd. Shanghai S.I. Yangtze River Delta Ecological Development Limited.